だから私はDirectX11を学んでいて、何かを作っていて、デバッグエラー(スワップチェーンから0x00000000にアクセスしようとしている)に遭遇し、CreateDeviceAndSwapChainがそれを修正するはずだったと思いましたが、そうではありませんでした。これが私のコードです:
#include <windows.h>
#include <d3d11.h>
#include <d3dx11.h>
#include <dxgi.h>
#include "types.h"
//globals
RECT dimensions;
HWND hwnd;
//width and height of the window
uint width;
uint height;
//create the driver types
D3D_DRIVER_TYPE dt[] = {
D3D_DRIVER_TYPE_HARDWARE, D3D_DRIVER_TYPE_WARP, D3D_DRIVER_TYPE_SOFTWARE
};
//create the feature level
D3D_FEATURE_LEVEL fl[] = {
D3D_FEATURE_LEVEL_11_0, D3D_FEATURE_LEVEL_10_0, D3D_FEATURE_LEVEL_10_1
};
//create the selected drivertype
D3D_DRIVER_TYPE selectedDT;
//create the selected feature level
D3D_FEATURE_LEVEL* selectedFL;
//create driver types and feature level uints
uint totalDTs = ARRAYSIZE(dt);
uint totalFLs = ARRAYSIZE(fl);
//create the swap chain description
DXGI_SWAP_CHAIN_DESC scd;
//create the swap chain
IDXGISwapChain* swapchain;
//create the device
ID3D11Device* dev;
//create the context
ID3D11DeviceContext* context;
//create the render target view
ID3D11RenderTargetView *rtv;
//functions
void init();
void initswapchaindesc();
void createDevice();
void close();
// the WindowProc function prototype
LRESULT CALLBACK WindowProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam);
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
// window handler
HWND hwnd;
// this struct holds information for the window class
WNDCLASSEX wc;
ZeroMemory(&wc, sizeof(WNDCLASSEX));
// fill the struct
wc.cbSize = sizeof(WNDCLASSEX);
wc.style = CS_HREDRAW | CS_VREDRAW;
wc.lpfnWndProc = WindowProc;
wc.hInstance = hInstance;
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH)COLOR_WINDOW;
wc.lpszClassName = "WindowClass1";
// register the window class
RegisterClassEx(&wc);
hwnd = CreateWindowEx(NULL,
"WindowClass1", // name of the window class
"Our First Windowed Program", // title of the window
WS_OVERLAPPEDWINDOW, // window style
300, // x-position of the window
300, // y-position of the window
800, // width of the window
600, // height of the window
NULL, // we have no parent window, NULL
NULL, // we aren't using menus, NULL
hInstance, // application handle
NULL); // used with multiple windows, NULL
// display the window
ShowWindow(hwnd, nCmdShow);
// enter the main loop:
init();
close();
MessageBox(hwnd, "Success!", "A message for you", NULL);
// this struct holds Windows event messages
MSG msg;
// wait for the next message in the queue
while(GetMessage(&msg, NULL, 0, 0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return msg.wParam;
}
LRESULT CALLBACK WindowProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch(message)
{
// the quit message
case WM_DESTROY:
{
//quit
PostQuitMessage(0);
return 0;
}
break;
}
// def message
return DefWindowProc (hwnd, message, wParam, lParam);
}
void init() {
GetClientRect(hwnd, &dimensions);
width = dimensions.right - dimensions.left;
height = dimensions.bottom - dimensions.top;
//initialize the swap chain description
ZeroMemory(&scd, sizeof(scd));
scd.BufferCount = 1;
scd.BufferDesc.Width = width;
scd.BufferDesc.Height = height;
scd.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
scd.BufferDesc.RefreshRate.Denominator = 60;
scd.BufferDesc.RefreshRate.Numerator = 1;
scd.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
scd.OutputWindow = hwnd;
scd.Windowed = true;
scd.SampleDesc.Count = 1;
scd.SampleDesc.Quality = 0;
uint creationflags;
#ifdef _DEBUG
creationflags |= D3D11_CREATE_DEVICE_DEBUG;
#endif
HRESULT devcreateres;
uint driver = 0;
for(driver = 0; driver < totalDTs; ++driver) {
devcreateres = D3D11CreateDeviceAndSwapChain(0, dt[driver], 0, creationflags, fl, totalFLs,
D3D11_SDK_VERSION, &scd, &swapchain, &dev,
selectedFL, &context);
if(SUCCEEDED(devcreateres)) {
selectedDT = dt[driver];
}
}
//create the back buffer image
ID3D11Texture2D* backbuffer;
//error here - line 175
swapchain->GetBuffer(0, __uuidof(ID3D11Texture2D), (LPVOID*)&backbuffer);
dev->CreateRenderTargetView(backbuffer, NULL, &rtv);
backbuffer->Release();
context->OMSetRenderTargets(1, &rtv, NULL);
// Set the viewport
D3D11_VIEWPORT viewport;
ZeroMemory(&viewport, sizeof(D3D11_VIEWPORT));
viewport.TopLeftX = 0;
viewport.TopLeftY = 0;
viewport.Width = 800;
viewport.Height = 600;
context->RSSetViewports(1, &viewport);
}
void close() {
if(swapchain)
swapchain->Release();
if(dev)
dev->Release();
if(context)
context->Release();
if(rtv)
rtv->Release();
}
(ところで、データ型uintはunsigned intとして定義されています。)
助けてください!